Fortuna Mining (NYSE: FSM) files Form 40-F annual report with SEC

Rhea-AI Filing Summary

Fortuna Mining Corp. has submitted a Form 6-K to notify investors that it filed its annual report on Form 40-F for the fiscal year ended December 31, 2025 with the SEC. The annual report includes audited consolidated financial statements, management’s discussion and analysis, and the annual information form, all accessible online.

Fortuna is a Canadian precious metals producer with three operating mines and exploration projects across Argentina, Côte d’Ivoire, Mexico, Peru, and Senegal. Shareholders can request printed copies of the audited consolidated financial statements free of charge from the company.

UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form 6-K

REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE SECURITIES EXCHANGE ACT OF 1934

For the month of March 2026

Commission File Number 001-35297

Fortuna Mining Corp.

(Translation of registrant’s name into English)

1111 Melville Street, Suite 820, Vancouver, British Columbia, Canada V6E 3V6

(Address of principal executive office)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.

FORM 20-F   ¨ FORM 40-F  þ

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

	Fortuna Mining Corp.
Date:  March 26, 2026	(Registrant)
	By:	/s/  "Jorge Ganoza Durant"
		Jorge Ganoza Durant
		President and CEO

Exhibits:

99.1 News Release dated March 26, 2026

Exhibit 99.1

NEWS RELEASE

Fortuna files Form 40-F, Annual Report

Vancouver, British Columbia, March 26, 2026: Fortuna Mining Corp. (NYSE: FSM | TSX: FVI) announces that it has filed its annual report on Form 40-F for the fiscal year ended December 31, 2025, with the U.S. Securities and Exchange Commission (“SEC”).

The Form 40-F, which includes the Company’s audited consolidated financial statements for the year ended December 31, 2025, management’s discussion and analysis, and annual information form, is available on the Company’s website and on the SEC´s website.

Printed copies of the audited consolidated financial statements are available free of charge to Fortuna shareholders upon written request.

About Fortuna Mining Corp.

Fortuna Mining Corp. is a Canadian precious metals mining company with three operating mines and a portfolio of exploration projects in Argentina, Côte d’Ivoire, Mexico, and Peru, as well as the Diamba Sud Gold Project in Senegal. Sustainability is at the core of our operations and stakeholder relationships. We produce gold and silver while creating long-term shared value through efficient production, environmental stewardship, and social responsibility. For more information, please visit our website at www.fortunamining.com

ON BEHALF OF THE BOARD

Jorge A. Ganoza

President, CEO, and Director

Fortuna Mining Corp.

Investor Relations:

Carlos Baca | info@fmcmail.com | fortunamining.com | X | LinkedIn | YouTube | Instagram | TikTok

FAQ

What did Fortuna Mining Corp. (FSM) file with the SEC in March 2026?

Fortuna Mining Corp. filed its annual report on Form 40-F for the fiscal year ended December 31, 2025 with the U.S. Securities and Exchange Commission. The filing is referenced in a Form 6-K notice for foreign private issuers.

What information is included in Fortuna Mining’s 2025 Form 40-F annual report?

The 2025 Form 40-F annual report includes audited consolidated financial statements, management’s discussion and analysis, and the company’s annual information form. Together, these documents provide a comprehensive view of Fortuna Mining Corp.’s financial results and key business information for the year ended December 31, 2025.

How can Fortuna Mining Corp. (FSM) shareholders obtain the 2025 financial statements?

Fortuna Mining Corp. shareholders can obtain printed copies of the audited consolidated financial statements free of charge by submitting a written request to the company. The same information is also available through the company’s website and the SEC’s website for convenient online access.

In which countries does Fortuna Mining Corp. operate mines and exploration projects?

Fortuna Mining Corp. operates three producing mines and holds exploration projects in Argentina, Côte d’Ivoire, Mexico, and Peru, along with the Diamba Sud Gold Project in Senegal. These assets form a geographically diversified precious metals portfolio focused on gold and silver production.

Where can investors find Fortuna Mining Corp.’s 2025 Form 40-F online?

Investors can find Fortuna Mining Corp.’s 2025 Form 40-F on the company’s website and on the SEC’s website. The filing provides access to audited financial statements, management’s discussion and analysis, and the annual information form for the fiscal year ended December 31, 2025.

Who leads Fortuna Mining Corp. according to the March 2026 filing?

According to the March 2026 filing, Fortuna Mining Corp. is led by Jorge A. Ganoza, who serves as President, Chief Executive Officer, and Director. The filing is signed on behalf of the company, confirming his role as a key executive and board representative.

Filing Exhibits & Attachments

1 document

Press Releases

• EX-99.1 EXHIBIT 99.1 5.1 KB